I hope you don't mind me posting to an old thread. I'm re-building ghc-7.10.1 a lot these days and there is one recurring permission issue that looks awfully similar to the ones mentioned here. The issue seems to be deterministic -- appears on every build IIRC and cannot be fixed by re-running make. My real-time malware scanner is disabled and I assume it's not caused by indexing services.
The problem seems to be due to botched ACLs in/of the /tmp directory. Some of the files/directories inside are undeletable by the user which is running the build and some can't be deleted even with admin rights. To fix this, I have to force take ownership and grant myself permissions on the files/directories. The build can't continue even after emptying the /tmp directory, as the permissions on the directory itself seems to be broken -- so much that Windows Explorer refuses to show the Advanced Security Settings window for it. Deleting the directory and re-creating with correct permissions allows the build to continue. The tail of a failing build log follows. Unfortunately, it doesn't tell much about the operation that failed. I hope I'll be able to find some time to find out what's failing and what's causing the permissions change. "inplace/bin/ghc-cabal" check libraries/ghc-prim "inplace/bin/ghc-cabal" configure libraries/ghc-prim dist-install "" --with-ghc="<buildir>/inplace/bin/ghc-stage1" --with-ghc-pkg="<buildir>/inplace/bin/ghc-pkg" --flag=include-ghc-prim --disable-library-for-ghci --enable-library-vanilla --enable-library-for-ghci --disable-library-profiling --disable-shared --configure-option=CFLAGS=" -fno-stack-protector " --configure-option=LDFLAGS=" " --configure-option=CPPFLAGS=" " --gcc-options=" -fno-stack-protector " --with-gcc="/mingw64/bin/gcc" --with-ld="/mingw64/bin/ld" --configure-option=--with-cc="/mingw64/bin/gcc" --with-ar="/mingw64/bin/ar" Configuring ghc-prim-0.4.0.0... ghc-cabal.exe: permission denied libraries/ghc-prim/ghc.mk:4: recipe for target 'libraries/ghc-prim/dist-install/package-data.mk' failed make[1]: *** [libraries/ghc-prim/dist-install/package-data.mk] Error 1 Makefile:71: recipe for target 'all' failed make: *** [all] Error 2 (Paths starting with <buildir> were shortened by me for the purpose of posting here.) -- David Macek
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